2428409 has 8 divisors (see below), whose sum is σ = 2667840. Its totient is φ = 2200176.

The previous prime is 2428403. The next prime is 2428417. The reversal of 2428409 is 9048242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2428409 - 2¹⁶ = 2362873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2428403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2342 + ... + 3215.

It is an arithmetic number, because the mean of its divisors is an integer number (333480).

2^2428409 is an apocalyptic number.

It is an amenable number.

2428409 is a deficient number, since it is larger than the sum of its proper divisors (239431).

2428409 is a wasteful number, since it uses less digits than its factorization.

2428409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5599.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 2428409 is about 1558.3353297670. The cubic root of 2428409 is about 134.4127947770.

The spelling of 2428409 in words is "two million, four hundred twenty-eight thousand, four hundred nine".